CN101364741B - Mobile phone charger - Google Patents

Mobile phone charger Download PDF

Info

Publication number
CN101364741B
CN101364741B CN2007102013171A CN200710201317A CN101364741B CN 101364741 B CN101364741 B CN 101364741B CN 2007102013171 A CN2007102013171 A CN 2007102013171A CN 200710201317 A CN200710201317 A CN 200710201317A CN 101364741 B CN101364741 B CN 101364741B
Authority
CN
China
Prior art keywords
mobile phone
voltage
circuit module
charging
battery pack
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2007102013171A
Other languages
Chinese (zh)
Other versions
CN101364741A (en
Inventor
朱强
廖善明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
Original Assignee
Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hongfujin Precision Industry Shenzhen Co Ltd, Hon Hai Precision Industry Co Ltd filed Critical Hongfujin Precision Industry Shenzhen Co Ltd
Priority to CN2007102013171A priority Critical patent/CN101364741B/en
Priority to US11/946,861 priority patent/US7821228B2/en
Publication of CN101364741A publication Critical patent/CN101364741A/en
Application granted granted Critical
Publication of CN101364741B publication Critical patent/CN101364741B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
    • H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

一种手机充电器包括一电池组模块、一升压与充电电路模块、一超低压升压电路模块及一手机充电接口连接器，所述电池组模块提供一工作电压给所述升压与充电电路模块及所述超低压升压电路模块，当所述工作电压大于所述升压与充电电路模块的参考电压时，所述升压与充电电路模块工作并输出一充电电压给所述手机充电接口连接器，当所述工作电压小于所述升压与充电电路模块的参考电压且大于所述超低压升压电路模块的启动电压时，所述超低压升压电路模块工作并提升所述工作电压给所述升压与充电电路模块使其工作并输出所述充电电压给所述手机充电接口连接器。所述手机充电器能够利用随处可见的电池组对手机进行充电，充分利用能源又保护环境。

Figure 200710201317

A mobile phone charger includes a battery pack module, a boosting and charging circuit module, an ultra-low voltage boosting circuit module and a mobile phone charging interface connector, the battery pack module provides a working voltage for the boosting and charging For the circuit module and the ultra-low voltage boost circuit module, when the operating voltage is greater than the reference voltage of the boost and charge circuit module, the boost and charge circuit module works and outputs a charging voltage to charge the mobile phone interface connector, when the operating voltage is less than the reference voltage of the boosting and charging circuit module and greater than the start-up voltage of the ultra-low voltage boosting circuit module, the ultra-low voltage boosting circuit module works and boosts the working The voltage is supplied to the boosting and charging circuit module to make it work and output the charging voltage to the charging interface connector of the mobile phone. The mobile phone charger can use the battery packs that can be found everywhere to charge the mobile phone, making full use of energy and protecting the environment.

Figure 200710201317

Description

手机充电器mobile phone charger

技术领域 technical field

本发明涉及一种手机充电器。The invention relates to a mobile phone charger.

背景技术 Background technique

当前，随着电信事业的发展，手机已逐渐普及，给人们的生活和工作带来了极大的便利。但手机在使用一段时间后，就需要充电，而目前的手机充电时大都需要用变压器将220V交流电转换成手机内的锂电池所能接受的5V直流电，这就限定了手机充电时需要在某个固定的场所才能进行。但对于有些经常外出公干和旅游的人来说，这种充电方式很不方便。At present, with the development of telecommunication, mobile phones have gradually become popular, which brings great convenience to people's life and work. But the mobile phone needs to be charged after being used for a period of time, and most of the current mobile phones need to use a transformer to convert the 220V AC power into the 5V DC power that the lithium battery in the mobile phone can accept. It can only be done in a fixed place. But for some people who often go out for business and travel, this charging method is very inconvenient.

发明内容 Contents of the invention

鉴于上述内容，有必要提供一种手机充电器，可直接应用电池为手机充电。In view of the above, it is necessary to provide a mobile phone charger that can directly use the battery to charge the mobile phone.

一种手机充电器包括一电池组模块、一升压与充电电路模块、一超低压升压电路模块及一手机充电接口连接器，所述电池组模块提供一工作电压给所述升压与充电电路模块及所述超低压升压电路模块，当所述工作电压大于所述升压与充电电路模块的参考电压时，所述升压与充电电路模块工作并输出一充电电压给所述手机充电接口连接器，当所述工作电压小于所述升压与充电电路模块的参考电压且大于所述超低压升压电路模块的启动电压时，所述超低压升压电路模块工作并提升所述工作电压给所述升压与充电电路模块使其工作并输出所述充电电压给所述手机充电接口连接器。A mobile phone charger includes a battery pack module, a boosting and charging circuit module, an ultra-low voltage boosting circuit module and a mobile phone charging interface connector, the battery pack module provides a working voltage for the boosting and charging The circuit module and the ultra-low voltage boost circuit module, when the operating voltage is greater than the reference voltage of the boost and charge circuit module, the boost and charge circuit module works and outputs a charging voltage to charge the mobile phone an interface connector, when the operating voltage is less than the reference voltage of the boosting and charging circuit module and greater than the start-up voltage of the ultra-low voltage boosting circuit module, the ultra-low voltage boosting circuit module works and boosts the working The voltage is supplied to the boosting and charging circuit module to make it work and output the charging voltage to the charging interface connector of the mobile phone.

相较现有技术，本发明的手机充电器能够利用随处可见的电池并通过所述升压与充电电路模块对手机进行充电，而且由于使用了超低压升压电路，手机充电器可以使用较低电压的电池电源(如有一定电量的废旧电池)来进行充电，减少了电池使用数量，做到了便携并充分利用能源，还利于环保。Compared with the prior art, the mobile phone charger of the present invention can use batteries that can be found everywhere to charge the mobile phone through the boost and charging circuit module, and because the ultra-low voltage boost circuit is used, the mobile phone charger can be used at a lower The battery power supply of high voltage (such as a waste battery with a certain amount of power) is used for charging, which reduces the number of batteries used, makes it portable and fully utilizes energy, and is also conducive to environmental protection.

附图说明 Description of drawings

下面结合附图及具体实施方式对本发明作进一步详细描述：Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

图1为本发明手机充电器的具体实施方式的电路框图。Fig. 1 is a circuit block diagram of a specific embodiment of the mobile phone charger of the present invention.

图2为图1的电路图。FIG. 2 is a circuit diagram of FIG. 1 .

具体实施方式 Detailed ways

请共同参阅图1和图2，本发明手机充电器的具体实施方式包括一电池组模块10、一升压与充电电路模块20、一超低压升压电路模块30、一指示模块40及一手机充电接口连接器50。所述电池组模块10连接所述升压与充电电路模块20和所述超低压升压电路模块30，所述升压与充电电路模块20分别连接所述超低压升压电路模块30、所述指示模块40及所述手机充电接口连接器50，所述超低压升压电路模块30连接所述指示模块40，以上元件可设置于一壳体内(未示出)，壳体的大小、形状可根据设计人员的喜好来设计。当所述手机充电器处于工作状态时，即当所述电池组模块10内装入电池时，如果所述电池组模块10提供的电压大于所述升压与充电电路模块20的参考电压(如1.25V)，所述升压与充电电路模块20可输出5V~8V可用于手机应急充电使用的充电电压；如果所述电池组模块10提供的电压小于所述升压与充电电路模块20的参考电压且大于一启动电压(如0.3V)，通过启动所述超低压升压电路模块30，提供给所述升压与充电电路模块20工作电压，使其输出5V~8V的充电电压，保证手机应急充电的连续使用。所述手机充电接口连接器50可根据用户实际手机的接口设计，也可设计成一个“万能”转换充电接口以满足不同用户的需要。所述指示模块40再给手机充电时可充当电源指示灯，在不给手机充电时可充当应急灯。Please refer to Fig. 1 and Fig. 2 together, the specific embodiment of the mobile phone charger of the present invention comprises a battery pack module 10, a voltage boosting and charging circuit module 20, an ultra-low voltage boosting circuit module 30, an indicating module 40 and a mobile phone charging interface connector 50 . The battery pack module 10 is connected to the boosting and charging circuit module 20 and the ultra-low voltage boosting circuit module 30, and the boosting and charging circuit module 20 is respectively connected to the ultra-low voltage boosting circuit module 30, the Indicating module 40 and described mobile phone charging interface connector 50, described ultra-low voltage step-up circuit module 30 is connected described indicating module 40, and above components can be arranged in a housing (not shown), and the size of housing, shape can be According to the designer's preferences to design. When the mobile phone charger is in working condition, that is, when a battery is loaded into the battery pack module 10, if the voltage provided by the battery pack module 10 is greater than the reference voltage of the voltage boosting and charging circuit module 20 (such as 1.25 V), the boost and charging circuit module 20 can output 5V~8V charging voltage that can be used for emergency charging of mobile phones; if the voltage provided by the battery pack module 10 is less than the reference voltage of the boost and charging circuit module 20 And greater than a starting voltage (such as 0.3V), by starting the ultra-low voltage boost circuit module 30, the boost and charging circuit module 20 operating voltage is provided to make it output a charging voltage of 5V ~ 8V, to ensure that the mobile phone emergency Continuous use of charging. The mobile phone charging interface connector 50 can be designed according to the interface of the user's actual mobile phone, or can be designed as a "universal" conversion charging interface to meet the needs of different users. The indicator module 40 can serve as a power indicator light when the mobile phone is charged, and can serve as an emergency light when the mobile phone is not charged.

所述电池组模块10包括一电池组B(如0.3V~6V)及一开关K1。所述开关K1的一端与所述电池组B的正极连接，另一端连接所述升压与充电电路模块20及所述超低压升压电路模块30，所述电池组B的负极接地。所述电池组B可使用两节7号或5号电池或是具有一定电量的废旧电池，所述开关K1控制所述手机充电器电源的启闭。The battery pack module 10 includes a battery pack B (eg, 0.3V~6V) and a switch K1. One end of the switch K1 is connected to the positive pole of the battery pack B, the other end is connected to the boosting and charging circuit module 20 and the ultra-low voltage boosting circuit module 30 , and the negative pole of the battery pack B is grounded. The battery pack B can use two No. 7 or No. 5 batteries or waste batteries with a certain amount of power, and the switch K1 controls the opening and closing of the power supply of the mobile phone charger.

所述升压与充电电路模块20包括一第一电阻器R1、一第二电阻器R2、一第一电容器C1、一第一电感器L1、一直流变换芯片21、一第一二极管D1、一第二电容器C2、一第三电阻器R3、一第三电容器C3、一第四电容器C4、一第四电阻器R4、一第五电阻器R5及一第五电容器C5。所述电池组模块10的开关K1的另一端经所述第一电阻器R1连接所述直流变换芯片21的输入端SHDN，还通过所述第一电容器C1接地，还通过所述第一电感器L1连接到所述直流变换芯片21的电感连接端LX。所述直流变换芯片21的输入端SHDN还通过所述第二电阻器R2与所述超低压升压电路模块30相连。所述直流变换芯片21的电感连接端LX连接到所述第一二极管D1的阳极，所述第一二极管D1的阴极通过所述第三电阻器R3与所述手机充电接口连接器50相连，并连接所述直流变换芯片21的输出端OUT，所述第一二极管D1的阴极还经所述第二电容器C2接地。所述手机充电接口连接器50经所述第三电容器C3接地，还经所述第四电容器C4接地。所述第四电阻器R4串接于所述直流变换芯片21的输出端OUT与反馈端FB之间，所述第五电阻器R5串接于所述直流变换芯片21的反馈端FB与接地端GND之间，所述直流变换芯片21的参考电压输出端REF经所述第五电容器R5接地，所述直流变换芯片21的低电压输入端LBI接地。所述第一电阻器R1为启动电阻，所述第一电容器C1和所述第一电感器L1组成储能电路，所述第一二极管D1利用二极管的单向导电性防止进入手机的电流倒流回手机充电器，所述第二电容器C2、所述第三电容器C3及所述第四电容器C4组成滤波电路，所述直流变换芯片21的型号为MAX757。The boosting and charging circuit module 20 includes a first resistor R1, a second resistor R2, a first capacitor C1, a first inductor L1, a DC conversion chip 21, and a first diode D1 , a second capacitor C2, a third resistor R3, a third capacitor C3, a fourth capacitor C4, a fourth resistor R4, a fifth resistor R5 and a fifth capacitor C5. The other end of the switch K1 of the battery pack module 10 is connected to the input terminal SHDN of the DC conversion chip 21 through the first resistor R1, grounded through the first capacitor C1, and connected to the ground through the first inductor C1. L1 is connected to the inductance connection terminal LX of the DC conversion chip 21 . The input terminal SHDN of the DC conversion chip 21 is also connected to the ultra-low voltage boost circuit module 30 through the second resistor R2. The inductance connection terminal LX of the DC conversion chip 21 is connected to the anode of the first diode D1, and the cathode of the first diode D1 is connected to the charging interface connector of the mobile phone through the third resistor R3 50 and connected to the output terminal OUT of the DC conversion chip 21, and the cathode of the first diode D1 is also grounded through the second capacitor C2. The mobile phone charging interface connector 50 is grounded through the third capacitor C3, and also grounded through the fourth capacitor C4. The fourth resistor R4 is connected in series between the output terminal OUT of the DC conversion chip 21 and the feedback terminal FB, and the fifth resistor R5 is connected in series between the feedback terminal FB and the ground terminal of the DC conversion chip 21 Between GND, the reference voltage output terminal REF of the DC conversion chip 21 is grounded through the fifth capacitor R5, and the low voltage input terminal LBI of the DC conversion chip 21 is grounded. The first resistor R1 is a start-up resistor, the first capacitor C1 and the first inductor L1 form an energy storage circuit, and the first diode D1 uses the unidirectional conductivity of the diode to prevent the current from entering the mobile phone The flow is reversed to the mobile phone charger, the second capacitor C2, the third capacitor C3 and the fourth capacitor C4 form a filter circuit, and the model of the DC conversion chip 21 is MAX757.

所述超低压升压电路模块30包括一直流升压芯片31、一第六电容器C6、一第七电容器C7及一第八电容器C8。所述直流升压芯片31的电压输入端VIN连接所述电池组模块10的开关K1的另一端，还通过所述第六电容器R6接地。所述直流升压芯片31的输出端OUT连接所述电池组模块10的开关K1的另一端，还经所述第二电阻器R2连接所述直流变换芯片21的输入端SHDN，还通过所述第八电容器C8接地。所述直流升压芯片31的启动电容线路端CPout经所述第七电容器C7接地，所述直流升压芯片31的输出电压监控端VM连接所述指示模块40，所述直流升压芯片31的型号为S-882Z20-M5T1G。The ultra-low voltage boost circuit module 30 includes a DC boost chip 31 , a sixth capacitor C6 , a seventh capacitor C7 and an eighth capacitor C8 . The voltage input terminal VIN of the DC boost chip 31 is connected to the other terminal of the switch K1 of the battery pack module 10, and is also grounded through the sixth capacitor R6. The output terminal OUT of the DC boost chip 31 is connected to the other terminal of the switch K1 of the battery pack module 10, and also connected to the input terminal SHDN of the DC conversion chip 21 through the second resistor R2, and also connected to the input terminal SHDN of the DC conversion chip 21 through the second resistor R2. The eighth capacitor C8 is grounded. The starting capacitor line terminal CPout of the DC boost chip 31 is grounded through the seventh capacitor C7, the output voltage monitoring terminal VM of the DC boost chip 31 is connected to the indicating module 40, and the DC boost chip 31 The model number is S-882Z20-M5T1G.

所述指示模块40包括一第二二极管D2、一第三二极管D3、一可变电阻器RP1及一第六电阻器R6。所述手机充电接口连接器50与所述第二二极管D2的阳极连接，所述第二二极管D2的阴极连接所述第三二极管D3的阳极，所述第三二极管D3的阴极连接所述可变电阻器RP1的一端，所述可变电阻器RP1的另一端连接所述直流升压芯片31的输出电压监控端VM，还通过所述第六电阻器R6接地。所述第二二极管D2和所述第三二极管D3均为白色高亮度发光二极管，通过调节所述可变电阻器RP1可控制所述第二二极管D2和所述第三二极管D3的亮度，使其作为所述手机充电器的电源指示灯或是应急照明灯使用。The indicating module 40 includes a second diode D2, a third diode D3, a variable resistor RP1 and a sixth resistor R6. The mobile phone charging interface connector 50 is connected to the anode of the second diode D2, the cathode of the second diode D2 is connected to the anode of the third diode D3, and the third diode The cathode of D3 is connected to one end of the variable resistor RP1, the other end of the variable resistor RP1 is connected to the output voltage monitoring terminal VM of the DC boost chip 31, and grounded through the sixth resistor R6. Both the second diode D2 and the third diode D3 are white high-brightness light-emitting diodes, and the second diode D2 and the third second diode can be controlled by adjusting the variable resistor RP1. The brightness of the pole tube D3 enables it to be used as a power indicator light of the mobile phone charger or an emergency light.

所述手机充电器装入电池或有一定电量的废旧电池后，闭合所述电池组模块10的开关K1，所述手机充电器即处于工作状态，当所述电池组模块10的电池组B提供的电压大于所述升压与充电电路模块20的直流变换芯片21的参考电压时，所述升压与充电电路模块20启动，并输出5V~8V充电电压，用于给手机充电。当所述电池组B提供的电压大于所述启动电压而小于所述直流变换芯片21的参考电压时，先启动所述超低压升压电路模块30进行电压升压，将一个3V~5V的输出电压提供给所述升压与充电电路模块20的直流变换芯片21的输入端，使其产生一个输出为5V~8V的可充电电压供手机充电使用。所述充电电压使所述第二二极管D2和所述第三二极管D3处于工作状态，可作为所述手机充电器的电源指示灯或是应急照明灯使用，其数量不限于两个，可根据实际需要进行选择。After the mobile phone charger is loaded into a battery or a waste battery with a certain amount of power, close the switch K1 of the battery pack module 10, and the mobile phone charger is in a working state. When the battery pack B of the battery pack module 10 provides When the voltage is greater than the reference voltage of the DC conversion chip 21 of the boost and charging circuit module 20, the boost and charging circuit module 20 starts and outputs a charging voltage of 5V~8V for charging the mobile phone. When the voltage provided by the battery pack B is greater than the starting voltage but less than the reference voltage of the DC conversion chip 21, first start the ultra-low voltage boost circuit module 30 to boost the voltage, and output a 3V~5V The voltage is provided to the input terminal of the DC conversion chip 21 of the boosting and charging circuit module 20, so that it generates a rechargeable voltage with an output of 5V~8V for charging the mobile phone. The charging voltage makes the second diode D2 and the third diode D3 in a working state, which can be used as a power indicator light or an emergency light of the mobile phone charger, and its number is not limited to two , can be selected according to actual needs.

本发明的手机充电器能够利用随处可见的电池组或是有一定电量的废旧电池在紧急情况下对手机进行充电，充分利用能源又保护环境，在天黑时，还具有手电筒的功能。The mobile phone charger of the present invention can utilize battery packs that can be found everywhere or waste batteries with a certain amount of power to charge the mobile phone in an emergency, fully utilizes energy and protects the environment, and also has the function of a flashlight when it is dark.

Claims (9)

1.一种手机充电器包括一电池组模块、一升压与充电电路模块、一超低压升压电路模块及一手机充电接口连接器，所述电池组模块提供一工作电压给所述升压与充电电路模块及所述超低压升压电路模块，当所述工作电压大于所述升压与充电电路模块的参考电压时，所述升压与充电电路模块工作并输出一充电电压给所述手机充电接口连接器，当所述工作电压小于所述升压与充电电路模块的参考电压且大于所述超低压升压电路模块的启动电压时，所述超低压升压电路模块工作并提升所述工作电压给所述升压与充电电路模块使其工作并输出所述充电电压给所述手机充电接口连接器。1. A mobile phone charger includes a battery pack module, a boost and charging circuit module, an ultra-low voltage boost circuit module and a mobile phone charging interface connector, and the battery pack module provides a working voltage for the boost and the charging circuit module and the ultra-low voltage boosting circuit module, when the operating voltage is greater than the reference voltage of the boosting and charging circuit module, the boosting and charging circuit module works and outputs a charging voltage to the Mobile phone charging interface connector, when the working voltage is less than the reference voltage of the boost and charging circuit module and greater than the starting voltage of the ultra-low voltage boost circuit module, the ultra-low voltage boost circuit module works and boosts the The working voltage is supplied to the boosting and charging circuit module to make it work and output the charging voltage to the charging interface connector of the mobile phone. 2.如权利要求1所述的手机充电器，其特征在于：所述电池组模块包括一电池组及一开关，所述开关的一端与所述电池组的正极连接，另一端连接所述升压与充电电路模块及所述超低压升压电路模块，所述电池组的负极接地。2. The mobile phone charger according to claim 1, wherein the battery pack module includes a battery pack and a switch, one end of the switch is connected to the positive pole of the battery pack, and the other end is connected to the battery pack. voltage and charging circuit module and the ultra-low voltage boosting circuit module, and the negative pole of the battery pack is grounded. 3.如权利要求2所述的手机充电器，其特征在于：所述电池组的电压为0.3V～6V。3. The mobile phone charger according to claim 2, wherein the voltage of the battery pack is 0.3V-6V. 4.如权利要求2所述的手机充电器，其特征在于：所述升压与充电电路模块包括一第一电阻器、一第二电阻器、一第一电容器、一第一电感器、一型号为MAX757的直流变换芯片、一第一二极管及一第三电阻器，所述电池组模块的开关的另一端经所述第一电阻器连接所述直流变换芯片的输入端，还通过所述第一电容器接地，还通过所述第一电感器连接到所述直流变换芯片的电感连接端，所述直流变换芯片的输入端还通过所述第二电阻器与所述超低压升压电路模块相连，所述直流变换芯片的电感连接端连接到所述第一二极管的阳极，所述第一二极管的阴极通过所述第三电阻器与所述手机充电接口连接器相连，其阴极还连接所述直流变换芯片的输出端。4. The mobile phone charger as claimed in claim 2, wherein: said voltage boosting and charging circuit module comprises a first resistor, a second resistor, a first capacitor, a first inductor, a The model is a DC conversion chip of MAX757, a first diode and a third resistor, the other end of the switch of the battery pack module is connected to the input terminal of the DC conversion chip through the first resistor, and the The first capacitor is grounded and also connected to the inductance connection terminal of the DC conversion chip through the first inductor, and the input terminal of the DC conversion chip is also connected to the ultra-low voltage booster through the second resistor The circuit modules are connected, the inductance connection terminal of the DC conversion chip is connected to the anode of the first diode, and the cathode of the first diode is connected to the charging interface connector of the mobile phone through the third resistor , the cathode of which is also connected to the output terminal of the DC conversion chip. 5.如权利要求4所述的手机充电器，其特征在于：所述超低压升压电路模块包括一型号为S-882Z20-M5T1G的直流升压芯片，所述直流升压芯片的电压输入端连接所述电池组模块的开关的另一端，所述直流升压芯片的输出端连接所述电池组模块的开关的另一端，还经所述第二电阻器连接所述直流变换芯片的输入端。5. The mobile phone charger as claimed in claim 4, wherein: the ultra-low voltage boost circuit module includes a DC boost chip whose model is S-882Z20-M5T1G, and the voltage input terminal of the DC boost chip connected to the other end of the switch of the battery pack module, the output end of the DC boost chip is connected to the other end of the switch of the battery pack module, and connected to the input end of the DC conversion chip via the second resistor . 6.如权利要求5所述的手机充电器，其特征在于：所述超低压升压电路模块允许输入电压为0.3V～3V。6. The mobile phone charger according to claim 5, wherein the ultra-low voltage boost circuit module allows an input voltage of 0.3V-3V. 7.如权利要求1所述的手机充电器，其特征在于：所述手机充电器还包括一指示模块，所述指示模块与所述手机充电接口连接器相连。7. The mobile phone charger according to claim 1, characterized in that: the mobile phone charger further comprises an indicating module, and the indicating module is connected to the charging interface connector of the mobile phone. 8.如权利要求7所述的手机充电器，其特征在于：所述指示模块包括一第二二极管、一第三二极管、一可变电阻器及一第六电容器，所述手机充电接口连接器与所述第二二极管的阳极连接，所述第二二极管的阴极连接所述第三二极管的阳极，所述第三二极管的阴极连接所述可变电阻器的一端，所述可变电阻器的另一端连接所述直流升压芯片的输出电压监控端，还通过所述第六电容器接地。8. The mobile phone charger as claimed in claim 7, wherein the indicator module includes a second diode, a third diode, a variable resistor and a sixth capacitor, and the mobile phone The charging interface connector is connected to the anode of the second diode, the cathode of the second diode is connected to the anode of the third diode, and the cathode of the third diode is connected to the variable One end of the resistor, the other end of the variable resistor is connected to the output voltage monitoring end of the DC step-up chip, and grounded through the sixth capacitor. 9.如权利要求8所述的手机充电器，其特征在于：所述第二二极管和所述第三二极管均为发光二极管。9. The mobile phone charger according to claim 8, wherein the second diode and the third diode are light emitting diodes.
CN2007102013171A 2007-08-09 2007-08-09 Mobile phone charger Expired - Fee Related CN101364741B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2007102013171A CN101364741B (en) 2007-08-09 2007-08-09 Mobile phone charger
US11/946,861 US7821228B2 (en) 2007-08-09 2007-11-29 Mobile phone charger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2007102013171A CN101364741B (en) 2007-08-09 2007-08-09 Mobile phone charger

Publications (2)

Publication Number Publication Date
CN101364741A CN101364741A (en) 2009-02-11
CN101364741B true CN101364741B (en) 2012-03-28

Family

ID=40345846

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2007102013171A Expired - Fee Related CN101364741B (en) 2007-08-09 2007-08-09 Mobile phone charger

Country Status (2)

Country Link
US (1) US7821228B2 (en)
CN (1) CN101364741B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9300203B2 (en) 2007-12-10 2016-03-29 Clevx, Llc Battery power supply with automatic load sensing
US20120049800A1 (en) 2010-08-25 2012-03-01 Clevx, Llc Power supply system with automatic sensing mechanism and method of operation thereof
CN101470506A (en) * 2008-05-30 2009-07-01 伍威 Multifunctional computer rechargeable battery system and use method thereof
CN101931249B (en) * 2009-06-25 2012-09-19 鸿富锦精密工业（深圳）有限公司 Electronic device capable of indicating battery charged state
TW201220950A (en) * 2010-11-12 2012-05-16 Analog Integrations Corp Current control circuit of light emitting diodes capable of recycling energy
CN102255353A (en) * 2011-05-20 2011-11-23 李秉哲 Emergent charging device with only two batteries for mobile phone lithium battery
CN102300361B (en) * 2011-06-01 2013-10-09 何林 LED (light emitting diode) electric torch manufactured by one battery
CN105988030A (en) * 2015-01-31 2016-10-05 鸿富锦精密工业(武汉)有限公司 Electronic equipment and over-current protection circuit thereof
CN108092371B (en) * 2016-11-15 2020-04-03 华为技术有限公司 Charge and discharge device
JP6653043B2 (en) * 2017-03-13 2020-02-26 日本たばこ産業株式会社 Smoking system, power supply control method, program, primary device, and secondary device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0580180A1 (en) * 1992-07-24 1994-01-26 Nec Corporation Charging circuit capable of supplying DC voltage directly to power supply circuit when battery is removed
CN2610549Y (en) * 2003-01-28 2004-04-07 陈建宏 Charger for mobile phone
CN2640056Y (en) * 2003-07-03 2004-09-08 袁建平 Charging wire

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5717308A (en) * 1995-10-20 1998-02-10 Fuji Photo Film Co., Ltd. Electric-supply equipment for camera
US5637978A (en) * 1995-11-06 1997-06-10 Kendrick Products Corporation Battery booster
US20020190691A1 (en) * 2001-06-19 2002-12-19 Chen-Kuang Chen Mobile phone emergency charger
US6950030B2 (en) * 2002-09-05 2005-09-27 Credo Technology Corporation Battery charge indicating circuit
US7479759B2 (en) * 2004-02-26 2009-01-20 Research In Motion Limited Electronic device including handheld electronic device with dual battery configuration, and associated method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0580180A1 (en) * 1992-07-24 1994-01-26 Nec Corporation Charging circuit capable of supplying DC voltage directly to power supply circuit when battery is removed
CN2610549Y (en) * 2003-01-28 2004-04-07 陈建宏 Charger for mobile phone
CN2640056Y (en) * 2003-07-03 2004-09-08 袁建平 Charging wire

Also Published As

Publication number Publication date
US20090039829A1 (en) 2009-02-12
US7821228B2 (en) 2010-10-26
CN101364741A (en) 2009-02-11

Similar Documents

Publication Publication Date Title
CN101364741A (en) mobile phone charger
CN105762892B (en) A kind of lithium battery reduced output voltage and charge and discharge protecting system
CN104901385B (en) Generator energy managing device and electricity generation system
CN101778156B (en) A mobile phone that can charge other mobile phones
CN201528215U (en) A circuit for controlling online charging of batteries
CN104079044A (en) Multiple-voltage compatible charger circuit
CN203674746U (en) Portable solar mobile power source with MPPT function
CN203014434U (en) High-utilization-rate mobile power supply
CN109586390A (en) Power circuit and electrical equipment
CN205986294U (en) LED power supply circuit based on solar charging
CN102655345B (en) Hand crank multi-purpose mobile phone charging circuit
CN100508329C (en) A portable mobile phone charger
CN201113516Y (en) Mobile phone emergency charger with battery charging
CN202004444U (en) Device for protecting storage battery of solar energy or wind generator system
CN103607021B (en) There is the portable type solar energy portable power source of MPPT function
CN108054820B (en) Mobile phone charging equipment based on mobile wind power generation
CN207039960U (en) A single-cell battery boost LED drive circuit
CN220156251U (en) Direct current power supply boost current-limiting conversion circuit
CN2566518Y (en) Portable charger
CN203261089U (en) Alternating current/direct current integrated mobile power supply
CN207884307U (en) A kind of removable booster power of outdoor construction
CN201699458U (en) Multifunctional charger
CN204794217U (en) Mobile power source
CN2664257Y (en) Charging battery type mobile phone emergency charger
CN221806539U (en) Solar cell double-switching power supply circuit

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120328

Termination date: 20140809

EXPY Termination of patent right or utility model